420867408

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21757}}^1$

素因数の和:21812

約数の個数: 80

約数和(自身を含む): 1208700416

約数和(自身を除く): 787833008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 19344, 21757, 43514, 65271, 87028, 130542, 174056, 261084, 282841, 348112, 522168, 565682, 674467, 848523, 1044336, 1131364, 1348934, 1697046, 2023401, 2262728, 2697868, 3394092, 4046802, 4525456, 5395736, 6788184, 8093604, 8768071, 10791472, 13576368, 16187208, 17536142, 26304213, 32374416, 35072284, 52608426, 70144568, 105216852, 140289136, 210433704, 420867408]

約数ペア:

[(1, 420867408), (2, 210433704), (3, 140289136), (4, 105216852), (6, 70144568), (8, 52608426), (12, 35072284), (13, 32374416), (16, 26304213), (24, 17536142), (26, 16187208), (31, 13576368), (39, 10791472), (48, 8768071), (52, 8093604), (62, 6788184), (78, 5395736), (93, 4525456), (104, 4046802), (124, 3394092), (156, 2697868), (186, 2262728), (208, 2023401), (248, 1697046), (312, 1348934), (372, 1131364), (403, 1044336), (496, 848523), (624, 674467), (744, 565682), (806, 522168), (1209, 348112), (1488, 282841), (1612, 261084), (2418, 174056), (3224, 130542), (4836, 87028), (6448, 65271), (9672, 43514), (19344, 21757)]